Nan says that all of the tours they have are " guided" tours – (guided) – " guided tours" and " to be guided" means, we've said before, that the person who runs the tour is the tour guide.

Nan说他们所有的tour都是“guided”tours——（guided）——“guided tours”和“to be guided”的意思，我们之前说过，经营tour的人就是导游。